The powers that be have decided that LLVM IR should now support 16-bit
"half precision" floating-point with a first-class type.
This patch adds basic IR support (but not codegen support).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146786 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp
index 1b6b11a..d93108f 100644
--- a/lib/AsmParser/LLLexer.cpp
+++ b/lib/AsmParser/LLLexer.cpp
@@ -574,6 +574,7 @@
if (Len == strlen(STR) && !memcmp(StartChar, STR, strlen(STR))) { \
TyVal = LLVMTY; return lltok::Type; }
TYPEKEYWORD("void", Type::getVoidTy(Context));
+ TYPEKEYWORD("half", Type::getHalfTy(Context));
TYPEKEYWORD("float", Type::getFloatTy(Context));
TYPEKEYWORD("double", Type::getDoubleTy(Context));
TYPEKEYWORD("x86_fp80", Type::getX86_FP80Ty(Context));
@@ -693,7 +694,7 @@
if (Kind == 'J') {
// HexFPConstant - Floating point constant represented in IEEE format as a
// hexadecimal number for when exponential notation is not precise enough.
- // Float and double only.
+ // Half, Float, and double only.
APFloatVal = APFloat(BitsToDouble(HexIntToVal(TokStart+2, CurPtr)));
return lltok::APFloat;
}